commit c4a3e94641449362ee970f521a2cdb0e8cd08690 upstream.
Add support for Hygon Dhyana CPU to EDAC.
Signed-off-by: Pu Wen puwen@hygon.cn Signed-off-by: Borislav Petkov bp@suse.de Cc: mchehab@kernel.org Cc: tglx@linutronix.de Cc: mingo@redhat.com Cc: hpa@zytor.com Cc: thomas.lendacky@amd.com Cc: linux-edac@vger.kernel.org Link: https://lkml.kernel.org/r/9d71061301177822bc55b3bfd44f91057458d886.153753336... --- drivers/edac/amd64_edac.c | 10 +++++++++- drivers/edac/mce_amd.c | 4 +++- 2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 94265e438514..12e55d4fb156 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -211,7 +211,7 @@ static int __set_scrub_rate(struct amd64_pvt *pvt, u32 new_bw, u32 min_rate)
scrubval = scrubrates[i].scrubval;
- if (pvt->fam == 0x17) { + if (pvt->fam == 0x17 || pvt->fam == 0x18) { __f17h_set_scrubval(pvt, scrubval); } else if (pvt->fam == 0x15 && pvt->model == 0x60) { f15h_select_dct(pvt, 0); @@ -264,6 +264,7 @@ static int get_scrub_rate(struct mem_ctl_info *mci) break;
case 0x17: + case 0x18: amd64_read_pci_cfg(pvt->F6, F17H_SCR_BASE_ADDR, &scrubval); if (scrubval & BIT(0)) { amd64_read_pci_cfg(pvt->F6, F17H_SCR_LIMIT_ADDR, &scrubval); @@ -1044,6 +1045,7 @@ static void determine_memory_type(struct amd64_pvt *pvt) goto ddr3;
case 0x17: + case 0x18: if ((pvt->umc[0].dimm_cfg | pvt->umc[1].dimm_cfg) & BIT(5)) pvt->dram_type = MEM_LRDDR4; else if ((pvt->umc[0].dimm_cfg | pvt->umc[1].dimm_cfg) & BIT(4)) @@ -3212,8 +3214,13 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) pvt->ops = &family_types[F17_M10H_CPUS].ops; break; } + /* fall through */ + case 0x18: fam_type = &family_types[F17_CPUS]; pvt->ops = &family_types[F17_CPUS].ops; + + if (pvt->fam == 0x18) + family_types[F17_CPUS].ctl_name = "F18h"; break;
default: @@ -3452,6 +3459,7 @@ static const struct x86_cpu_id amd64_cpuids[] = { { X86_VENDOR_AMD, 0x15, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, { X86_VENDOR_AMD, 0x16, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, { X86_VENDOR_AMD, 0x17, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, + { X86_VENDOR_HYGON, 0x18, X86_MODEL_ANY, X86_FEATURE_ANY, 0 }, { } }; MODULE_DEVICE_TABLE(x86cpu, amd64_cpuids); diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index 2ab4d61ee47e..c605089d899f 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -1059,7 +1059,8 @@ static int __init mce_amd_init(void) { struct cpuinfo_x86 *c = &boot_cpu_data;
- if (c->x86_vendor != X86_VENDOR_AMD) + if (c->x86_vendor != X86_VENDOR_AMD && + c->x86_vendor != X86_VENDOR_HYGON) return -ENODEV;
fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL); @@ -1113,6 +1114,7 @@ static int __init mce_amd_init(void) break;
case 0x17: + case 0x18: xec_mask = 0x3f; if (!boot_cpu_has(X86_FEATURE_SMCA)) { printk(KERN_WARNING "Decoding supported only on Scalable MCA processors.\n");